/*
 * Copyright (c) 2010-2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_IMAGE_EFFECTOR_H_INCLUDED_
#define ALKES_IMAGE_EFFECTOR_H_INCLUDED_

#include "alkes/internal.h"
#include "alkes/media/ImageBufferFactory.h"

namespace alkes {

/// \addtogroup effector
//@{

typedef PixelFormatTraits::ComponentInfo ComponentInfo;

class AL_EXPORT ImageEffector
    : public TRefCount<ImageEffector>
{
public:

    static const uint8_t CONVERT_TABLE1[1<<1];
    static const uint8_t CONVERT_TABLE2[1<<2];
    static const uint8_t CONVERT_TABLE3[1<<3];
    static const uint8_t CONVERT_TABLE4[1<<4];
    static const uint8_t CONVERT_TABLE5[1<<5];
    static const uint8_t CONVERT_TABLE6[1<<6];
    static const uint8_t* CONVERT_TABLE[6];

    static int getComponentInfo(PixelFormat format, const ComponentInfo* components[4]);
    static int getComponentInfo(ImageBuffer* image, const ComponentInfo* components[4]);

protected:
    friend class TRefCount<ImageEffector>;

    ImageEffector(ImageBufferFactory* factory);
    virtual ~ImageEffector() = 0;
    virtual void destroy() = 0;

    ImageBuffer* createImageBuffer(uint16_t width, uint16_t height, PixelFormat format, bool write_only = false);
    ImageBuffer* cloneImageBuffer(ImageBuffer* src);
    ImageBuffer* cloneImageBuffer(ImageBuffer* src, const Rect& rect);

private:
    intrusive_ptr<ImageBufferFactory> factory_;
};

//@}

}

#endif
